package org.airlink.persistence.criteria.expressions
{
	import flex.persistence.criteria.Expression;
	
	import org.airlink.persistence.criteria.ExpressionImpl;
	

	public class Upper extends ExpressionImpl
	{
		private var expression:Expression;
		
		public function Upper(expression:Expression)
		{
			this.expression = expression;
		}
		
		override public function toString():String{
			return "upper(" + expression.asValue() + ")";
		}
	}
}